????Linux???к???????????蹤?????????蹤???????????????衢??????????衢·???????
?????????д???????????????·????蹤???nmap?????????????????????????衣
????nmap???????????yum install nmap??
????nmap?ICMP???
????nmap???????ICMPЭ???????Ping???????????????????裬??????????????????
???????ICMP???TCPЭ?鯔?????????????????????????????Щ??????????????????ICMP??費(fèi)????
????????????
????nmap -sP 192.168.0.1/24
????nmap -sP 192.168.0.*
????nmap -sP 192.168.0.1-255
????nmap?TCP SYN???
????nmap???????????TCP SYN????????TCP??????裬???????TCP???????????
????SYN???????????????????????????????????????????
????nmap???????1-1024?????????Щ??????????????????????????p??????????
????????????
????nmap -sS 192.168.2.224
????nmap -sS 192.168.2.230-255
????nmap -sS -p 0-30000 192.168.2.230-255
????nmap?TCP Connect???
????nmap??Connect????????TCP??????????????????????????????SYN????????????????????????
??????????????????????SYN????????
????????????
????nmap -sT 192.168.2.230-255
????nmap -sT -p 0-30000 192.168.2.230-255
????nmap?UDP???
????nmap????UDP??????衣
????UDP?????TCPЭ?鱻??????????????С??
????????????
????nmap -sU 192.168.2.230-255
????nmap -sU -p 0-30000 192.168.2.230-255